20403103324 has 24 divisors (see below), whose sum is σ = 36318466800. Its totient is φ = 10027852800.

The previous prime is 20403103321. The next prime is 20403103337. The reversal of 20403103324 is 42330130402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20403103295 and 20403103304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403103321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125509 + ... + 237820.

It is an arithmetic number, because the mean of its divisors is an integer number (1513269450).

Almost surely, 2^20403103324 is an apocalyptic number.

It is an amenable number.

20403103324 is a deficient number, since it is larger than the sum of its proper divisors (15915363476).

20403103324 is a wasteful number, since it uses less digits than its factorization.

20403103324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363573 (or 363571 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20403103324 its reverse (42330130402), we get a palindrome (62733233726).

The spelling of 20403103324 in words is "twenty billion, four hundred three million, one hundred three thousand, three hundred twenty-four".